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A new hexagonal aluminium–chromium–nickel phase, Al14.4Cr3.4Ni1.1, is described. The structure includes 12 icosahedral clusters in a unit cell, each of which consists of a transition metal (TM) atom at the center and 11 aluminium and one TM atom on the fivefold vertices of the icosahedron. Pairs of the clusters are linked along the c axis by sharing a triangular face. Two pairs of the clusters are joined by two trigonal antiprisms, constructing a column along the c axis. Six such columns are included in a unit cell and form the crystal structure. The second neighboring atoms connecting the columns are on the threefold axes of the icosahedral cluster.

Supporting information

cif

Crystallographic Information File (CIF)
Contains datablocks global, ALCRNI

hkl

Structure factor file (CIF format)
Supplementary material

-1
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